The regime is overmatched militarily, but still has tools for returning fire.

The mysterious Persian-language transmission began about 12 hours after the start of the US-Israeli bombing campaign against Iran. It was jammed five days later. Is it a coded message for US agents in ...

When Russia’s obscure shortwave station UVB-76 crackled to life again, it did more than startle radio hobbyists. It revived fears that President Vladimir Putin is willing to brandish nuclear tools, or ...

When 47-year-old Roberto, from Milan, switched on his shortwave radio on Tuesday, he heard a ghostly voice reciting a string ...

An Iranian refugee tells NewsNation that sleeper cells are more of a psychological warfare tool.

The strikes on the Iranian regime have Americans on high alert about public safety and potential sleeper cell attacks.

US intelligence intercepted encrypted Iranian transmissions potentially activating sleeper cells after Khamenei's death, leading to violent incidents. Investigations are ongoing.

Federal authorities warn that Iran could launch retaliatory strikes on American soil using sleeper cells, lone wolf sympathizers or cyberattacks.

Austin and New York City have both been hit by apparent pro-Islamic terrorist attacks in the past week.

Sleeper cells are spies or terrorists who operate in rival countries and remain inactive until they're ordered to act.

An amateur radio operator believes mysterious radio broadcasts in Persian could be instructions being sent to CIA agents in Iran . When Roberto, from Milan, switched on his shortwave radio on Tuesday, ...

For more than a week after the United States and Israel’s initial attack on Iran, oil prices stayed relatively calm—even as bombs rained down in the Middle East and the war expanded to neighboring ...